2517715427 has 2 divisors, whose sum is σ = 2517715428. Its totient is φ = 2517715426.

The previous prime is 2517715397. The next prime is 2517715429. The reversal of 2517715427 is 7245177152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2517715427 - 2¹² = 2517711331 is a prime.

Together with 2517715429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2517715429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258857713 + 1258857714.

It is an arithmetic number, because the mean of its divisors is an integer number (1258857714).

Almost surely, 2^2517715427 is an apocalyptic number.

2517715427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517715427 is an equidigital number, since it uses as much as digits as its factorization.

2517715427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137200, while the sum is 41.

The square root of 2517715427 is about 50176.8415406948. The cubic root of 2517715427 is about 1360.4070701506.

It can be divided in two parts, 25177 and 15427, that added together give a palindrome (40604).

The spelling of 2517715427 in words is "two billion, five hundred seventeen million, seven hundred fifteen thousand, four hundred twenty-seven".